Vernon 1991 Neck Disability Index: ten caller-assigned integers 0-5 (pain intensity, personal care, lifting, reading, headaches, concentration, work, driving, sleeping, recreation). Sum 0-50. Vernon 1991 raw-score bands 0-4 none, 5-14 mild, 15-24 moderate, 25-34 severe, >34 complete. Does not apply later 0-8%/10-28% website percentage bands or score Oswestry. magent does not interview. Not a diagnosis and not a medical device.

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